Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fixed the response length checking for UD request packets. According to the IBA specification: If a UD request packet is detected with an invalid length, the request shall be considered invalid, and it shall be silently...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Fixed the issue where the sevreceivestart command failed due to the absence of the sevdecommission command. The current SEV context must be decommissioned if binding an ASID fails after a RECEIVESTART operation. Accordi...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: inet: Sk-skrxdst was converted to RCU rules. The syzbot reported various issues related to early demux processing. One of these issues is included in this changelog 1. Sk-skrxdst uses RCU protection without proper documentatio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mctp: i2c: Fixed a skb memory leak in the receive path. When midev-allowrx is set to false, the newly allocated skb is not consumed by netifrx. It is necessary to free the skb directly...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Networks: Do not pass flowid to setrpscpu. The responsible commit made the assumption that the RPS table for each receive queue would have the same size, and that it would not change. When computing flowid in setrpscpu, do not...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cpumap: The xdprxqinfo structure is not initialized to zero before running the XDP program. When running an XDP program that is associated with a cpumap entry, we do not initialize the xdprxqinfo data structure, which is used in...

Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 allowed integer overflow to lead to a buffer overflow in the receiveaddrecipient function, through an email message with fifty million recipients. NOTE: Remote exploitation might be difficult due to resource consumption...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt76: mt7996 – added a missing check for RX wcid entries. Non-station wcid entries must not be passed to the RX functions. In the case of the global wcid entry, it could even lead to corruption in the wcid array due to the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: phonet/pep: fixed the use of racyskbqueueempty The receive queues are protected by their respective spin-locks, not the socket lock. This could lead to skbpeek returning NULL or a pointer to a socket buffer that has already been...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nbd: Always initialize struct msghdr completely. syzbot reports that the value of msg-msggetinq may be uninitialized 1. The struct msghdr has many new fields recently. We should always ensure that their values are zero by...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: net/packet: fixed a slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket uses PACKETCOPYTHRESH and mmap operations, tpacketrcv queues SkBs with garbage in skb-cb, causing an excessive copy...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mac80211: fixed a use-after-free in CCMP/GCMP RX. When PN checking is performed in mac80211, for fragmentation purposes, we need to copy the PN into the RX struct so that it can be used later for comparison. This is reflected in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fixed the issue of accessing an invalid dipctx during the destruction of QP. If the system fails to modify QP to RTR, the dipctx will not be attached. During the destruction of QP, the invalid dipctx pointer will be...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: xen/netback: Avoid entering xenvifrxnextskb with an empty rx queue. xenvifrxnextskb expects the rx queue not to be empty. However, if the loop in xenvifrxaction performs multiple iterations, the availability of another skb in the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: i40e: Fixed NULL pointer dereferencing in i40edbgdumpdesc. When attempting to dump VFs using debugfs, a crash occurred due to NULL pointer dereferencing in i40edbgdumpdesc. A check was added to i40edbgdumpdesc to ensure that the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Prevent deadlock while disabling aRFS When disabling aRFS under the priv-statelock, any scheduled aRFS operations are canceled using the cancelworksync function. This function waits for the operation to finish if it ha...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tty: ngsm: added a sanity check for gsm-receive in gsmreceivebuf A null pointer dereference can occur when attempting to access the “gsm-receive” function in gsmldreceivebuf. Currently, the code assumes that gsm-recieve is only...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

The btsockrecvmsg function in net/bluetooth/afbluetooth.c in the Linux kernel, as of version 6.6.8, has a use-after-free issue due to a race condition involving btsockioctl...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nfc: s3fwrn5: Allocate the receive skb before consuming bytes. The s3fwrn82uartread function reports the number of accepted bytes to the serdev core. The current code consumes bytes into the recvskb, and may have already delivere...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: ti: icssg-prueth: Fixed the issue of missing data copying and incorrect recycling in ZC RX dispatch. The emacdispatchskbzc function allocates a new skb using napiallocskb. However, it never copies the packet data from the...